Vendor directory

17,320 blocks registered in United States.

Every MA-L, MA-M, MA-S, IAB, and CID block IEEE has ever assigned to a named organization, browsable or searchable.

Unique organizations8,981

Total blocks17,320

MA-L count13,489

MA-M count976

MA-S count1,468

IAB count1,288

CID count99

Total address capacity229,003,509,760

Last changed hereAug 25, 2026

Country reflects the address published in the IEEE registration record. It does not indicate where a device was manufactured, sold, located or currently used.

Largest organizations in United States

Organization	Blocks
Apple, Inc.	1,553
Cisco Systems, Inc	1,247
IEEE Registration Authority	435
Texas Instruments	392
Commscope	345
Juniper Networks	209
Amazon Technologies Inc.	204
Dell Inc.	184
Hewlett Packard Enterprise	176
Silicon Laboratories	154

Organization Prefix Type

🇺🇸 Commscope 00:15:96:00:00:00 /24 MA-L 🇺🇸 Commscope 00:15:9A:00:00:00 /24 MA-L 🇺🇸 Commscope 00:15:A2:00:00:00 /24 MA-L 🇺🇸 Commscope 00:15:A3:00:00:00 /24 MA-L 🇺🇸 Commscope 00:15:A4:00:00:00 /24 MA-L 🇺🇸 Commscope 00:15:A8:00:00:00 /24 MA-L 🇺🇸 Commscope 00:15:CE:00:00:00 /24 MA-L 🇺🇸 Commscope 00:15:CF:00:00:00 /24 MA-L 🇺🇸 Commscope 00:15:D0:00:00:00 /24 MA-L 🇺🇸 Commscope 00:15:D1:00:00:00 /24 MA-L 🇺🇸 Commscope 00:16:26:00:00:00 /24 MA-L 🇺🇸 Commscope 00:16:75:00:00:00 /24 MA-L 🇺🇸 Commscope 00:16:B5:00:00:00 /24 MA-L 🇺🇸 Commscope 00:17:00:00:00:00 /24 MA-L 🇺🇸 Commscope 00:17:84:00:00:00 /24 MA-L 🇺🇸 Commscope 00:17:E2:00:00:00 /24 MA-L 🇺🇸 Commscope 00:17:EE:00:00:00 /24 MA-L 🇺🇸 Commscope 00:18:A4:00:00:00 /24 MA-L 🇺🇸 Commscope 00:18:C0:00:00:00 /24 MA-L 🇺🇸 Commscope 00:19:2C:00:00:00 /24 MA-L 🇺🇸 Commscope 00:19:5E:00:00:00 /24 MA-L 🇺🇸 Commscope 00:19:A6:00:00:00 /24 MA-L 🇺🇸 Commscope 00:19:C0:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1A:1B:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1A:66:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1A:77:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1A:AD:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1A:DB:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1A:DE:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1B:52:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1B:DD:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1C:11:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1C:12:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1C:C1:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1C:C3:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1C:FB:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1D:6B:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1D:BE:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1D:CD:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1D:CE:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1D:CF:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1D:D0:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1D:D1:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1D:D2:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1D:D3:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1D:D4:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1D:D5:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1D:D6:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1E:46:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1E:5A:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1E:8D:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1F:7E:00:00:00 /24 MA-L 🇺🇸 Commscope 00:1F:C4:00:00:00 /24 MA-L 🇺🇸 Commscope 00:20:40:00:00:00 /24 MA-L 🇺🇸 Commscope 00:21:1E:00:00:00 /24 MA-L 🇺🇸 Commscope 00:21:36:00:00:00 /24 MA-L 🇺🇸 Commscope 00:21:43:00:00:00 /24 MA-L 🇺🇸 Commscope 00:21:80:00:00:00 /24 MA-L 🇺🇸 Commscope 00:22:10:00:00:00 /24 MA-L 🇺🇸 Commscope 00:22:B4:00:00:00 /24 MA-L 🇺🇸 Commscope 00:23:0B:00:00:00 /24 MA-L 🇺🇸 Commscope 00:23:74:00:00:00 /24 MA-L 🇺🇸 Commscope 00:23:75:00:00:00 /24 MA-L 🇺🇸 Commscope 00:23:95:00:00:00 /24 MA-L 🇺🇸 Commscope 00:23:A2:00:00:00 /24 MA-L 🇺🇸 Commscope 00:23:A3:00:00:00 /24 MA-L 🇺🇸 Commscope 00:23:AF:00:00:00 /24 MA-L 🇺🇸 Commscope 00:23:ED:00:00:00 /24 MA-L 🇺🇸 Commscope 00:23:EE:00:00:00 /24 MA-L 🇺🇸 Commscope 00:24:93:00:00:00 /24 MA-L 🇺🇸 Commscope 00:24:95:00:00:00 /24 MA-L 🇺🇸 Commscope 00:24:A0:00:00:00 /24 MA-L 🇺🇸 Commscope 00:24:A1:00:00:00 /24 MA-L 🇺🇸 Commscope 00:24:C1:00:00:00 /24 MA-L 🇺🇸 Commscope 00:25:F1:00:00:00 /24 MA-L 🇺🇸 Commscope 00:25:F2:00:00:00 /24 MA-L 🇺🇸 Commscope 00:26:36:00:00:00 /24 MA-L 🇺🇸 Commscope 00:26:41:00:00:00 /24 MA-L 🇺🇸 Commscope 00:26:42:00:00:00 /24 MA-L 🇺🇸 Commscope 00:26:BA:00:00:00 /24 MA-L 🇺🇸 Commscope 00:26:D9:00:00:00 /24 MA-L 🇺🇸 Commscope 00:36:76:00:00:00 /24 MA-L 🇺🇸 Commscope 00:50:94:00:00:00 /24 MA-L 🇺🇸 Commscope 00:50:E3:00:00:00 /24 MA-L 🇺🇸 Commscope 00:90:9C:00:00:00 /24 MA-L 🇺🇸 Commscope 00:AC:E0:00:00:00 /24 MA-L 🇺🇸 Commscope 00:D0:37:00:00:00 /24 MA-L 🇺🇸 Commscope 00:D0:88:00:00:00 /24 MA-L 🇺🇸 Commscope 00:E0:6F:00:00:00 /24 MA-L 🇺🇸 Commscope 04:4E:5A:00:00:00 /24 MA-L 🇺🇸 Commscope 08:3E:0C:00:00:00 /24 MA-L 🇺🇸 Commscope 0C:7F:B2:00:00:00 /24 MA-L 🇺🇸 Commscope 0C:B7:71:00:00:00 /24 MA-L 🇺🇸 Commscope 0C:EA:C9:00:00:00 /24 MA-L 🇺🇸 Commscope 0C:F8:93:00:00:00 /24 MA-L 🇺🇸 Commscope 10:05:B1:00:00:00 /24 MA-L 🇺🇸 Commscope 10:56:11:00:00:00 /24 MA-L 🇺🇸 Commscope 10:86:8C:00:00:00 /24 MA-L 🇺🇸 Commscope 10:93:97:00:00:00 /24 MA-L 🇺🇸 Commscope 10:E1:77:00:00:00 /24 MA-L